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Question
Physical properties of ice, water and steam are very different. What is the chemical composition of water in all the three states.
Solution
Physical state of ice, water and steam are very different but the chemical composition of water in all the three states is \[\ce{H2O}\].
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The behaviour of matter in different states is governed by various physical laws. According to you what are the factors that determine the state of matter?
Assertion (A): Three states of matter are the result of balance between intermolecular forces and thermal energy of the molecules
Reason (R): Intermolecular forces tend to keep the molecules together but thermal energy of molecules tends to keep them apart.
Assertion (A): Liquids tend to have maximum number of molecules at their surface.
Reason (R): Small liquid drops have spherical shape.
